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| Mirrors > Home > MPE Home > Th. List > domentr | Structured version Visualization version GIF version | ||
| Description: Transitivity of dominance and equinumerosity. (Contributed by NM, 7-Jun-1998.) |
| Ref | Expression |
|---|---|
| domentr | ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | endom 8989 | . 2 ⊢ (𝐵 ≈ 𝐶 → 𝐵 ≼ 𝐶) | |
| 2 | domtr 9017 | . 2 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) | |
| 3 | 1, 2 | sylan2 605 | 1 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≈ 𝐶) → 𝐴 ≼ 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 class class class wbr 5107 ≈ cen 8953 ≼ cdom 8954 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-pow 5334 ax-pr 5402 ax-un 7740 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-f1o 6544 df-en 8957 df-dom 8958 |
| This theorem is used by: domdifsn 9062 xpdom1g 9076 domunsncan 9079 sdomdomtr 9112 domen2 9122 mapdom2 9150 unxpdom2 9234 sucxpdom 9235 xpfir 9242 cardsdomelir 9982 infxpenlem 10020 xpct 10023 infpwfien 10069 inffien 10070 mappwen 10119 iunfictbso 10121 djuxpdom 10192 cdainflem 10194 djuinf 10195 djulepw 10199 ficardun2 10208 unctb 10210 infdjuabs 10211 infunabs 10212 infdju 10213 infdif 10214 infxpdom 10216 pwdjudom 10221 infmap2 10223 fictb 10250 cfslb 10272 fin1a2lem11 10416 fnct 10548 fnctOLD 10549 unirnfdomd 10580 iunctb 10587 alephreg 10595 cfpwsdom 10597 gchdomtri 10642 canthp1lem1 10665 pwfseqlem5 10676 pwxpndom 10679 gchdjuidm 10681 gchxpidm 10682 gchpwdom 10683 gchhar 10692 inttsk 10787 inar1 10788 tskcard 10794 znnen 16306 qnnen 16307 rpnnen 16321 rexpen 16322 aleph1irr 16340 cygctb 20025 lindsdom 22069 1stcfb 23676 2ndcredom 23681 2ndcctbss 23687 hauspwdom 23733 tx2ndc 23883 met1stc 24753 met2ndci 24754 re2ndc 25033 opnreen 25064 ovolctb2 25726 ovolfi 25728 uniiccdif 25812 dyadmbl 25834 opnmblALT 25837 vitali 25847 mbfimaopnlem 25889 mbfsup 25898 aannenlem3 26573 dmvlsiga 34647 sigapildsys 34681 omssubadd 34819 carsgclctunlem3 34839 karddom 35695 finminlem 36945 phpreu 38366 mblfinlem1 38414 pellexlem4 43681 pellexlem5 43682 pr2dom 44375 tr3dom 44376 nnfoctb 45890 ioonct 46375 caragenunicl 47360 eufunclem 50455 aacllem 50780 |
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